Cleat for use on athletic shoes



Feb. 2, 1943. -T S PARK 2,309,783

CLEA'I FOR USE ON ATHLETIC SHOES Filed 001:. 28, 1941 Patente d Feb. 2, 1943 UNETED SKATES Ft'iiitt'i @FHQE CLEAT FOR USE ON ATHLETIC SHOES Tracy S. Park, Houston, Tex.

Application October 28, 1941, Serial No. 416,791

Claims.

This invention relates to a cleat for use on athletic shoes.

An object of the invention is to provide a cleat of the character described specially designed for use on golf shoes although it is capable of use on football shoes and other athletic shoes.

Another object of the invention is to provide a cleat structure formed of metal and resilient material such as rubber and which will be of sufficient resiliency to make the shoe more comfortable to the wearer than an all-metal cleat.

It is a further object of the invention to provide a, cleat of the character described which is of sufficient rigidity to penetrate into the earth to prevent slippage, but which on account of its resiliency will, to an appreciable degree, reduce the strain on its anchorage to the shoe sole thus reducing the liability of the cleat from becoming torn from its anchorage.

It is a further object of the invention to provide a cleat of the character described which may be readily removed from the shoe and replaced with a new one.

It is a further object of the invention to provide a cleat of the character described which is of such construction that it is not liable to cause injury to other players with whom the cleat may come into contact.

With the above and other objects in view the invention has particular relation to certain novel features of construction, arrangement of parts and use, examples of which are given in this specification and illustrated in the accompanying drawing, wherein:

Figure 1 shows a vertical sectional view of the cleat.

Figure 2 shows a vertical sectional view of another embodiment.

Figure 3 shows a vertical sectional view of another embodiment.

Figure 4 shows a cross-sectional view taken on the line 4-4 of Figure 1.

Figure 5 shows a bottom end view of the form shown in Figure 3.

Figure 6 shows a vertical sectional view of another embodiment, and

Figure '7 shows a side view partly in section of still another embodiment.

Referring now more particularly to the drawing wherein like numerals of reference designate the same parts in each of the figures, the numeral l designates a base plate which is .preferably disc-like in iorm as shown in Figure 5 although it may be of any selected shape. This base plate has an outwardly threaded approXimately cylindrical shank 2 formed integrally therewith and containing a socket 3 which is completely closed at its upper end as shown in Fi ure 1.

As illustrated in Figures 3 and 5 the base plate ta has an outwardly threaded shank 2a which is provided with a socket 3a which is open at its upper end. This shank is adapted to be threaded into an internally threaded anchor 4 which is fitted downwardly through the bottom sole 5 of the shoe and the upper end of this anchor has an external annular disc-like plate 6 which fits against the upper side of the lower sole 5 and is secured thereto by the depending tangs I which penetrate into said sole as shown in Figure i. In the form shown in Figure 2 there is a base plate lb similar to the base plate I or la and extending upwardly from the base plate lb there is a shank 21) adapted to be screwed into the material of the bottom sole 5. This shank 2b is hollow thus forming a socket 3b therein, and has external threads.

In the form shown in Figure 6 there is a base plate to having the upstanding outwardly threaded shank 20 to be screwed into the anchor This shank 2c is tubular in form having the socket 30 therein whose upper end may be closed as shown in Figure 1 or open as shown in Figure 3. This base plate 10 has its margin overturned downwardly and inwardly forming a retaining flange 8.

The margins of .the base plates have oppositely arranged notches as 9 to receive the prongs of a wrench whereby the base plates may be screwed into place or removed. These notches each should be cut into the base plate lc after the rubber cleat has been molded thereto.

The exposed surface of the base plates as well as the interior surface of the sockets should be brazed so as to cause the material of the cleats t0, Eta, lb and H10 to more firmly adhere thereto or bond therewith.

In the manufacture of the cleat structure the base plates may be placed in the mold. A single base plate or a plurality of base plates may be placed in the mold box, the required quantity of raw rubber placed therein and upon the applica tion of the matrix thereto under pressure the material of the rubber cleat will be forced against the base plate as well as into the socket 3, 3a, 31 or 3c as the case may be all in the presence of the required heat until the rubber is securely bonded to the metal.

It may be found desirable to close the upper end of the socket 3 as shown in Figure 1 to prevent the rubber from overflowing and covering the external threads of shank 2 although under certain conditions this may not be found to be necessary.

In the form shown in Figure 6, the rubber in the mold will flow underneath the retaining flange 8 as there shown thus forming an additional anchorage for the cleat. The apices of the cleats may be rounded ofi as shown in Figures 1, 2 and 6 if desired or may be truncated as shown in Figures 3 and 5.

In the embodiment illustrated in Figure 7 the plate Id has a solid externally threaded shank 2d to be screwed into an anchor such as 4. On the opposite side of the base plate Id from the shank 211 there is a boss I l preferably formed integrally with the base plate and also preferably of the shape of a truncated cone. In this embodiment of the invention the cleat 10d is molded over said boss and is bonded to the boss as well as to the plate.

The notches 9 may be cut either before or after the molding process and, in horizontal cross section, the rubber cleats may be of any selected shape such as round, or polygonal with their apexes either pointed, rounded ofi or truncated.

After the cleats have been molded and bonded to the metal plates and in the sockets thereof, it will be found that they are securely anchored to said plates and will not be liable to become detached therefrom under the stress of use.

Furthermore, on account of the resiliency of the cleats the inward pressure of the anchors against the foot of the wearer will be appreciably reduced thus adding to the comfort of the shoe and when the shoes are used on hard impenetrable surfaces they will not be noisy or subject to slippage.

What I claim is:

l. A cleat structure for shoes comprising a base plate formed of metal and having an integral threaded shank provided with a socket, an outwardly tapering cleat formed of resilient material molded into the socket and bonded to said metal.

2. A cleat structure for shoes comprising a base plate formed of rigid material and having an outwardly threaded shank provided with a socket, a cleat formed of resilient material molded into the socket and projecting outwardly and bonded to said plate.

3. A cleat structure for shoes comprising a base plate formed of rigid material and having an integral outwardly threaded shank for attachment to the sole of a shoe, said shank having an internal socket whose outer end is closed and an outwardly tapering cleat formed of resilient material molded into said socket and bonded to said plate.

4. A cleat structure for shoes comprising a base plate formed of rigid material and having an approximately central shank extending therefrom and provided With an internal socket, an outwardly tapering cleat formed of resilient material, bonded to the plate and molded into the socket and bonded to the socket walls.

5. A cleat structure for shoes comprising a base plate having an approximately central shank extending therefrom at approximately right angles and having an internal socket, the margins of the plate being overturned forming a retaining flange and a cleat formed of resilient material molded into the socket and extended underneath said flange and bonded to the plate. flange and walls of the socket.

TRACY S. PARK. 

